new

# File lib/uri/generic.rb, line 170
    def initialize(scheme,
                   userinfo, host, port, registry,
                   path, opaque,
                   query,
                   fragment,
                   parser = DEFAULT_PARSER,
                   arg_check = false)
      @scheme = nil
      @user = nil
      @password = nil
      @host = nil
      @port = nil
      @path = nil
      @query = nil
      @opaque = nil
      @fragment = nil
      @parser = parser == DEFAULT_PARSER ? nil : parser

      if arg_check
        self.scheme = scheme
        self.userinfo = userinfo
        self.hostname = host
        self.port = port
        self.path = path
        self.query = query
        self.opaque = opaque
        self.fragment = fragment
      else
        self.set_scheme(scheme)
        self.set_userinfo(userinfo)
        self.set_host(host)
        self.set_port(port)
        self.set_path(path)
        self.query = query
        self.set_opaque(opaque)
        self.fragment=(fragment)
      end
      if registry
        raise InvalidURIError,
          "the scheme #{@scheme} does not accept registry part: #{registry} (or bad hostname?)"
      end

      @scheme&.freeze
      self.set_path('') if !@path && !@opaque # (see RFC2396 Section 5.2)
      self.set_port(self.default_port) if self.default_port && !@port
    end